Kanji Writing Exercise Sheets for the kanji needed to pass the Japan Kanji Aptitude Test (日本漢字能力検定, Nihon Kanji Nōryoku Kentei), more commonly known as the Kanji Kentei (漢字検定) or Kanken (漢検) test.
More on this test in Wikipedia.
The downloadable pdf file has bookmarks for easy access to the different levels.